Grading wheel of shaping machine

Abstract

The grading wheel of the shaping machine comprises a grading wheel body and a plurality of grading blades arranged on the periphery of the grading wheel body in an array mode, and each grading blade comprises a grading piece A and a grading piece B arranged on the outer side of the grading piece A in an inclined mode. The device is simple in structure, reasonable in design and convenient to use, the size of particles passing through the grading wheel can be better controlled, the number of grading blades is reduced, cost is reduced, and the working efficiency of the grading wheel is improved.

Description

Technical Field

[0001] The utility model relates to a grading wheel of a shaping machine. Background Art

[0002] The classifying wheel is an important component used for screening coarse and fine materials. Under the action of the fan suction, the material moves to the classification area with the rising airflow. Under the strong centrifugal force generated by the high-speed rotating classification turbine, the coarse and fine materials that move to the classification area with the rising airflow are separated. Fine particles that meet the particle size requirements pass through the classifying wheel and enter the next component to be collected, and coarse particles fall to the crushing area for further crushing. The existing classifying wheel generally has multiple classifying blades arranged circumferentially between the upper and lower plates. Each classifying blade is a straight plate and is inclined. There is a feed gap between adjacent classifying blades. This classifying wheel structure requires more classifying blades and requires a higher rotation speed when working. At the same time, this type of classifying wheel is difficult to control the size of the maximum material particles passing through, that is, the maximum material particle fineness passing through is within a certain range of values, which is inconvenient to use; in addition, during the working process, local turbulence is likely to occur between adjacent classifying blades, causing backflow at the outlet of the classifying blades, affecting the operation. Utility Model Content

[0003] The utility model improves the above-mentioned problem, that is, the technical problem to be solved by the utility model is to provide a grading wheel for a shaping machine, which has a simple structure and is easy to use.

[0004] The utility model is constructed as follows: it comprises a classifying wheel body and a plurality of classifying blades arranged in an array on the peripheral side of the classifying wheel body; the classifying blades comprise a classifying blade A and a classifying blade B arranged obliquely on the outer side of the classifying blade A.

[0005] Furthermore, the angle between the grading sheet A and the grading sheet B is 110°-160°.

[0006] Furthermore, the length of the grading sheet A is 90 mm, the length of the grading sheet B is 40 mm, and the thickness of the grading sheets A and B are both 6 mm.

[0007] Furthermore, the grading wheel body comprises a top plate, a middle plate and a bottom plate, and a plurality of grading blades are arranged between the top plate and the middle plate, and between the middle plate and the bottom plate.

[0008] Furthermore, avoidance through holes are provided in the middle of the top plate and the middle plate, a convex seat is provided in the middle of the bottom plate, and a mounting hole for mounting the output shaft of the motor is provided in the middle of the convex seat.

[0009] Compared with the prior art, the utility model has the following beneficial effects: the device has a simple structure and is easy to use. The motor drives the grading wheel to rotate, so that fine particles can enter the grading wheel body through the feed channel between adjacent grading sheets B and the feed channel formed between adjacent grading sheets A in turn and be discharged outward from the top of the grading wheel. The grading blades of the device are composed of grading sheets A and B, which is beneficial to reducing the number of grading blades used. Compared with the traditional grading wheel structure, the speed of the motor can be reduced, and it is also beneficial to control the size of the maximum material particles passing through the grading wheel, so that the fineness of the maximum material particles passing through is within a certain range of values; in addition, the grading blade structure of the device helps to reduce local turbulence between blades, and the grading sheet B is tilted on the outside of the grading sheet A, which can reduce the back turbulence on the leeward side of the grading blade, thereby reducing the backflow phenomenon near the leeward side of the grading blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a three-dimensional diagram of an embodiment of the utility model;

[0011] Figure 2 for Figure 1 A partial enlarged view of

[0012] Figure 3 This is a cross-sectional view of an embodiment of the utility model;

[0013] Figure 4 for Figure 3 A partial enlarged view of the middle A;

[0014] Figure 5 This is a schematic diagram of the structure of an embodiment of the utility model without the mounting plate. DETAILED DESCRIPTION

[0015] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0016] Example: As shown in the attached Figure 1-5 As shown, in this embodiment, a grading wheel for a shaping machine is provided, comprising a grading wheel body 1 and a plurality of grading blades 2 arranged in an array around the grading wheel body, wherein the grading blades include grading blades A and grading blades B22 obliquely arranged on the outer side of grading blade A21.

[0017] A feed gap for fine materials to pass through is formed between the adjacent grading blades. During the rotation of the grading wheel, the fine materials enter the grading wheel body through the material channel between the adjacent grading blades B and the feed channel formed between the adjacent grading blades A and are output.

[0018] In the embodiment of the utility model, the angle between the grading sheet A and the grading sheet B is 110°-160°; preferably, the angle between the grading sheet A and the grading sheet B is 135°.

[0019] In the embodiment of the utility model, the length of the grading sheet A is 90 mm, the length of the grading sheet B is 40 mm, and the thickness of the grading sheets A and B are both 6 mm.

[0020] In the embodiment of the utility model, 40 grading blades are arranged on the outer side of the grading wheel body.

[0021] In the embodiment of the utility model, the grading wheel body comprises a top plate 11, a middle plate 12 and a bottom plate 13, and a plurality of grading blades are arranged between the top plate and the middle plate, and between the middle plate and the bottom plate.

[0022] In the embodiment of the utility model, the top plate and the middle plate are provided with avoidance through holes 17 in the middle, the bottom plate is provided with a boss 15 in the middle, and the boss is provided with a mounting hole 16 in the middle for mounting the output shaft of the motor.

[0023] In the embodiment of the utility model, a mounting plate 14 is arranged above the top plate.

[0024] In the embodiment of the utility model, when working: the motor drives the classifying wheel to rotate, so that the fine particles can enter the classifying wheel body through the feed channel between adjacent classifying sheets B and the feed channel formed between adjacent classifying sheets A in turn and be discharged outward from the top of the classifying wheel. The fine particles passing through are sucked out by the negative pressure generated by the negative pressure device. The classifying blades of the device are composed of classifying sheets A and B, which is beneficial to reducing the number of classifying blades used and reducing costs. Compared with the traditional classifying wheel structure, the speed of the motor can be reduced. At the same time, it is beneficial to control the size of the maximum material particles passing through the classifying wheel, so that the fineness of the maximum material particles passing through is within a certain range of values; in addition, the classifying blades of the device help to reduce local turbulence between the blades, and the classifying sheet B is tilted on the outside of the classifying sheet A, which can reduce the backflow on the leeward side of the classifying blade, thereby reducing the backflow phenomenon near the leeward side of the classifying blade at the outlet.

[0025] Unless otherwise stated, any technical solution disclosed in the above utility model, if it discloses a numerical range, then the disclosed numerical range is a preferred numerical range. Any technician in the field should understand that the preferred numerical range is only a numerical value with a more obvious technical effect or representative value among many feasible numerical values. Since there are too many numerical values ​​to be exhaustive, the utility model discloses only some numerical values ​​to illustrate the technical solution of the utility model, and the numerical values ​​listed above should not constitute a limitation on the scope of protection of the utility model.

[0026] If the words "first", "second" and so on are used in this article to limit components, those skilled in the art should know that the use of "first" and "second" is only for the convenience of description to distinguish the components. Unless otherwise stated, the above words have no special meaning.

[0027] At the same time, if the above-mentioned utility model discloses or involves components or structural parts that are fixedly connected to each other, then, unless otherwise stated, the fixed connection can be understood as: a detachable fixed connection (for example, connected by bolts or screws), and can also be understood as: a non-detachable fixed connection (for example, riveting, welding). Of course, the mutual fixed connection can also be replaced by an integrated structure (for example, manufactured by one-piece molding using a casting process) (except when it is obviously impossible to use an one-piece molding process).

[0028] In addition, unless otherwise stated, the terms used to indicate positional relationships or shapes in any of the technical solutions disclosed in the above utility model include states or shapes that are approximate, similar or close thereto.

[0029] Any component provided by the utility model can be assembled from multiple separate components, or can be a separate component manufactured by an integrated forming process.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.

Claims

1. A grading wheel for a shaping machine, characterized in that: It comprises a classifying wheel body and a plurality of classifying blades arranged in an array on the circumference of the classifying wheel body, wherein the classifying blades comprise a classifying blade A and a classifying blade B obliquely arranged on the outer side of the classifying blade A; The angle between the grading sheet A and the grading sheet B is 110°-160°; The length of the grading sheet A is 90 mm, the length of the grading sheet B is 40 mm, and the thickness of the grading sheets A and B are both 6 mm; The grading wheel body comprises a top plate, a middle plate and a bottom plate, and a plurality of grading blades are arranged between the top plate and the middle plate, and between the middle plate and the bottom plate.

2. A grading wheel for a shaping machine according to claim 1, characterized in that: The top plate and the middle plate are provided with avoidance through holes in the middle, the bottom plate is provided with a convex seat in the middle, and the convex seat is provided with a mounting hole in the middle for mounting the output shaft of the motor.

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